MC80F0424 Datasheet, PDF (14/135 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC80F0424/0432/0448
Preliminary
5.1 MC80F0424/0432/0448 Pin Description
5.1.1 MC80F0424/0432/0448 Pin Description
PIN NAME In/Out
Function
R00~R07
R10
R11
R12
R13
R14
R15
R16
R17
R20
R21
R22
R23
P30
P31
P32
P33
P34
P35
P36
P37
R40
R41
R42
R43
R44
R45
R46
R47
R50
R51
R52
R53
R54
Port 0.
I/O
8-bit I/O port.
Can be set as input or output mode in 1-bit units.
Internal pull-up resistor PU0 can be used via software.
Port 1.
I/O
8-bit I/O port.
Can be set as input or output mode in 1-bit units.
Internal pull-up resistor PU1 can be used via software.
Port 2.
I/O
4-bit I/O port.
Can be set in input or output mode in 1-bit units.
Crystal(32.768KHz) connecting pins(R21,R22)
Port 3.
8-bit I/O port.
I/O Can be set in input or output mode in 1-bit units.
Operates as high current output port with typical 20mA at low level
output.
Port 4.
I/O
8-bit I/O port.
Can be set in input or output mode in 1-bit units.
Internal pull-up resistor PU4 can be used via software.
Port 5.
I/O 5-bit I/O port.
Can be set in input or output mode in 1-bit units.
Initial
state
Input
Input
Input
Input
Input
Input
Table 5-1 MC80F0424/0432/0448 Pin Description
Alternate
Function
-
INT0
INT1
INT2
BUZO
T0O
EC0
-
-
-
SX_IN
SX_OUT
-
ACLK1
RxD1
TxD1
-
-
-
SCK
SI
SO
ACLK0
RxD0
TxD0
INT3
EC1
T2O
PWM1O/T1O
PWM3O/T3O
10
MAR. 2005 Ver 0.2